287996835

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{10429}}^1$

素因数の和:10707

約数の個数: 32

約数和(自身を含む): 528675840

約数和(自身を除く): 240679005

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 263, 789, 1315, 1841, 3945, 5523, 9205, 10429, 27615, 31287, 52145, 73003, 156435, 219009, 365015, 1095045, 2742827, 8228481, 13714135, 19199789, 41142405, 57599367, 95998945, 287996835]

約数ペア:

[(1, 287996835), (3, 95998945), (5, 57599367), (7, 41142405), (15, 19199789), (21, 13714135), (35, 8228481), (105, 2742827), (263, 1095045), (789, 365015), (1315, 219009), (1841, 156435), (3945, 73003), (5523, 52145), (9205, 31287), (10429, 27615)]